AKA (Label): MODEL-1442, STANDARD MODEL, Product number (P/N): 1442,
Keywords/Tags: 1442
Date of intro: ~1975,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 21, #Key-Grey: 9, #Key-Red: 1, #Key-White: 11,
Decimal switch: [F-2], Miscellaneous switch: [(ArrowRight)-ON (ArrowRight)-M],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 014),
Serie-members: QUALITRON: 1442 (version-1) (21 keys); QUALITRON: 1442 (version-2) (22 keys); QUALITRON: 1442 (version-3) (24 keys, no rectangular label on keyboard); QUALITRON: 1442 (version-4) (24 keys, rectangular label on keyboard),
Collector value: 7/10,